If you can see me in the reflection within the bird's eye you will be able to confirm that I have a rather bland countenance, a straight face, a poker face, a mug without expression. Take my word for it. I will, however, offer you my shadow, but only because it serves to demonstrate the effect of atmosphere on the colour of sunlight. The foliage appears shifted to the yellow because the burden of fine particulates within the air close to the horizon tends to absorb/block the short wavelength light at the blue end of the spectrum, thus allowing only the longer wavelength light to pass around the dust. My shadow blocks the direct rays of sunlight and my blue funk resurrects the spectrum to make the foliage within the umbra of my shadow appear as a rich green once more. I bet you didn't know that I had an umbra. The ACME catalogue has everything that you can imagine.